Bypasses YouTube age restrictions and enables high-definition video and audio downloads with subtitle support, provided free of charge without advertisements.
// ==UserScript==
// @name YouTube Enhancer
// @name:ar محسن يوتيوب
// @description Bypasses YouTube age restrictions and enables high-definition video and audio downloads with subtitle support, provided free of charge without advertisements.
// @description:ar يتجاوز قيود العمر على يوتيوب ويمكّن تحميل الفيديوهات والصوتيات بجودة عالية مع دعم الترجمة، مقدم مجانًا بدون إعلانات.
// @version 1.0
// @author Mohammed bin Salman Al Saud
// @license MIT
// @grant unsafeWindow
// @run-at document-start
// @match https://www.youtube.com/*
// @match https://m.youtube.com/*
// @match https://music.youtube.com/*
// @match https://www.youtube-nocookie.com/*
// @match https://youtu.be/*
// @match https://*.youtube.com/*
// @namespace https://greasyfork.org/users/1473452
// ==/UserScript==
(function() {
"use strict";
const localization = {
en: {
downloadText: "Download",
error: {
addNormalButton: "Error adding download button:",
addShortsButton: "Error adding Shorts download button:"
}
},
ar: {
downloadText: "تنزيل",
error: {
addNormalButton: "خطأ أثناء إضافة زر التنزيل:",
addShortsButton: "خطأ أثناء إضافة زر تنزيل Shorts:"
}
}
};
GM_addStyle(`
.download-btn {
background: #f2f2f2;
border: none;
border-radius: 18px;
color: #0f0f0f;
padding: 0 16px;
height: 36px;
cursor: pointer;
font-size: 14px;
font-weight: 500;
white-space: nowrap;
}
.download-btn:hover {
background: #e6e6e6;
}
.buttons-wrapper {
display: flex;
align-items: center;
gap: 8px;
}
`);
const Config = window[Symbol()] = {
UNLOCKABLE_PLAYABILITY_STATUSES: ["AGE_VERIFICATION_REQUIRED", "AGE_CHECK_REQUIRED", "CONTENT_CHECK_REQUIRED", "LOGIN_REQUIRED"],
VALID_PLAYABILITY_STATUSES: ["OK", "LIVE_STREAM_OFFLINE"],
ACCOUNT_PROXY_SERVER_HOST: "https://youtube-proxy.zerody.one",
VIDEO_PROXY_SERVER_HOST: "https://ny.4everproxy.com",
ENABLE_UNLOCK_CONFIRMATION_EMBED: true,
ENABLE_UNLOCK_NOTIFICATION: true,
SKIP_CONTENT_WARNINGS: true,
GOOGLE_AUTH_HEADER_NAMES: ["Authorization", "X-Goog-AuthUser", "X-Origin"],
BLURRED_THUMBNAIL_SQP_LENGTHS: [32, 48, 56, 68, 72, 84, 88]
};
const nativeJSONParse = window.JSON.parse;
const nativeXMLHttpRequestOpen = window.XMLHttpRequest.prototype.open;
const isDesktop = window.location.host !== "m.youtube.com";
const isMusic = window.location.host === "music.youtube.com";
const isEmbed = window.location.pathname.indexOf("/embed/") === 0;
const isConfirmed = window.location.search.includes("unlock_confirmed");
function isGoogleVideoUrl(url) {
return url.host.includes(".googlevideo.com");
}
function isGoogleVideoUnlockRequired(googleVideoUrl, lastProxiedGoogleVideoId) {
const urlParams = new URLSearchParams(googleVideoUrl.search);
return urlParams.get("gcr") && urlParams.get("id") === lastProxiedGoogleVideoId;
}
class Deferred {
constructor() {
return Object.assign(new Promise((resolve, reject) => {
this.resolve = resolve;
this.reject = reject;
}), this);
}
}
if (window.trustedTypes && trustedTypes.createPolicy && !trustedTypes.defaultPolicy) {
const passThroughFn = x => x;
trustedTypes.createPolicy("default", {
createHTML: passThroughFn,
createScriptURL: passThroughFn,
createScript: passThroughFn
});
}
function createElement(tagName, options) {
const node = document.createElement(tagName);
options && Object.assign(node, options);
return node;
}
function isObject(obj) {
return obj !== null && typeof obj === "object";
}
function findNestedObjectsByAttributeNames(object, attributeNames) {
let results = [];
if (attributeNames.every(key => typeof object[key] !== "undefined")) results.push(object);
Object.keys(object).forEach(key => {
if (object[key] && typeof object[key] === "object") {
results.push(...findNestedObjectsByAttributeNames(object[key], attributeNames));
}
});
return results;
}
function pageLoaded() {
if (document.readyState === "complete") return Promise.resolve();
const deferred = new Deferred();
window.addEventListener("load", deferred.resolve, { once: true });
return deferred;
}
function createDeepCopy(obj) {
return nativeJSONParse(JSON.stringify(obj));
}
function getYtcfgValue(name) {
return window.ytcfg?.get(name);
}
function getSignatureTimestamp() {
const playerBaseJsPath = document.querySelector('script[src*="/base.js"]')?.src;
if (!playerBaseJsPath) return getYtcfgValue("STS");
const xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET", playerBaseJsPath, false);
xmlhttp.send(null);
return parseInt(xmlhttp.responseText.match(/signatureTimestamp:([0-9]*)/)?.[1]);
}
function isUserLoggedIn() {
if (typeof getYtcfgValue("LOGGED_IN") === "boolean") return getYtcfgValue("LOGGED_IN");
if (typeof getYtcfgValue("DELEGATED_SESSION_ID") === "string" || parseInt(getYtcfgValue("SESSION_INDEX")) >= 0) return true;
return false;
}
function getCurrentVideoStartTime(currentVideoId) {
if (window.location.href.includes(currentVideoId)) {
const urlParams = new URLSearchParams(window.location.search);
const startTimeString = (urlParams.get("t") || urlParams.get("start") || urlParams.get("time_continue"))?.replace("s", "");
if (startTimeString && !isNaN(startTimeString)) return parseInt(startTimeString);
}
return 0;
}
function setUrlParams(params) {
const urlParams = new URLSearchParams(window.location.search);
for (const paramName in params) urlParams.set(paramName, params[paramName]);
window.location.search = urlParams;
}
function waitForElement(elementSelector, timeout) {
const deferred = new Deferred();
const checkDomInterval = setInterval(() => {
const elem = document.querySelector(elementSelector);
if (elem) {
clearInterval(checkDomInterval);
deferred.resolve(elem);
}
}, 100);
setTimeout(() => {
clearInterval(checkDomInterval);
deferred.reject();
}, timeout);
return deferred;
}
function isWatchNextObject(parsedData) {
if (!(parsedData?.contents) || !(parsedData?.currentVideoEndpoint?.watchEndpoint?.videoId)) return false;
return !!parsedData.contents.twoColumnWatchNextResults || !!parsedData.contents.singleColumnWatchNextResults;
}
function isWatchNextSidebarEmpty(parsedData) {
if (isDesktop) {
return !parsedData.contents?.twoColumnWatchNextResults?.secondaryResults?.secondaryResults?.results;
}
const content = parsedData.contents?.singleColumnWatchNextResults?.results?.results?.contents;
return typeof content?.find(e => e.itemSectionRenderer?.targetId === "watch-next-feed")?.itemSectionRenderer !== "object";
}
function isPlayerObject(parsedData) {
return !!(parsedData?.videoDetails && parsedData?.playabilityStatus);
}
function isEmbeddedPlayerObject(parsedData) {
return typeof parsedData?.previewPlayabilityStatus === "object";
}
function isAgeRestricted(playabilityStatus) {
if (!(playabilityStatus?.status)) return false;
if (unofficialplayabilityStatus.desktopLegacyAgeGateReason) return true;
if (Config.UNLOCKABLE_PLAYABILITY_STATUSES.includes(playabilityStatus.status)) return true;
return isEmbed && playabilityStatus.errorScreen?.playerErrorMessageRenderer?.reason?.runs?.find(x => x.navigationEndpoint)?.navigationEndpoint?.urlEndpoint?.url?.includes("/2802167");
}
function isSearchResult(parsedData) {
return typeof parsedData.contents?.twoColumnSearchResultsRenderer === "object" ||
parsedData.contents?.sectionListRenderer?.targetId === "search-feed" ||
parsedData.onResponseReceivedCommands?.find(x => x.appendContinuationItemsAction)?.appendContinuationItemsAction?.targetId === "search-feed";
}
function attachHook(obj, prop, onCall) {
if (!obj || typeof obj[prop] !== "function") return;
const original = obj[prop];
obj[prop] = function() {
try { onCall(arguments); } catch {}
return original.apply(this, arguments);
};
}
const logPrefix = "%cYouTubeEnhancer:";
const logPrefixStyle = "background-color:#1e5c85;color:#fff;font-size:1.2em;";
const logSuffix = "Please report issues at: https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/issues";
function logError(err, msg) {
console.error(logPrefix, logPrefixStyle, msg, err, getYtcfgDebugString(), logSuffix);
window.SYARB_CONFIG && window.dispatchEvent(new CustomEvent("SYARB_LOG_ERROR", {
detail: { message: (msg ? msg + "; " : "") + (err?.message || ""), stack: err?.stack || null }
}));
}
function logInfo(msg) {
console.info(logPrefix, logPrefixStyle, msg);
window.SYARB_CONFIG && window.dispatchEvent(new CustomEvent("SYARB_LOG_INFO", { detail: { message: msg }}));
}
function getYtcfgDebugString() {
try {
return `InnertubeConfig: innertubeApiKey: ${getYtcfgValue("INNERTUBE_API_KEY")} ` +
`innertubeClientName: ${getYtcfgValue("INNERTUBE_CLIENT_NAME")} ` +
`innertubeClientVersion: ${getYtcfgValue("INNERTUBE_CLIENT_VERSION")} ` +
`loggedIn: ${getYtcfgValue("LOGGED_IN")}`;
} catch (err) {
return `Failed to access config: ${err}`;
}
}
function interceptObjectProperty(prop, onSet) {
const { set, get } = Object.getOwnPropertyDescriptor(Object.prototype, prop) || {
set(value) { this[`__SYARB_${prop}`] = value; },
get() { return this[`__SYARB_${prop}`]; }
};
Object.defineProperty(Object.prototype, prop, {
set(value) { set.call(this, isObject(value) ? onSet(this, value) : value); },
get() { return get.call(this); },
configurable: true
});
}
function attachInitialData(onInitialData) {
interceptObjectProperty("playerResponse", (obj, playerResponse) => {
logInfo(`playerResponse set, contains sidebar: ${!!obj.response}`);
isObject(obj.response) && onInitialData(obj.response);
playerResponse.unlocked = false;
onInitialData(playerResponse);
return playerResponse.unlocked ? createDeepCopy(playerResponse) : playerResponse;
});
window.addEventListener("DOMContentLoaded", () => {
isObject(window.ytInitialData) && onInitialData(window.ytInitialData);
});
}
function attachJsonParse(onJsonDataReceived) {
window.JSON.parse = function() {
const data = nativeJSONParse.apply(this, arguments);
return isObject(data) ? onJsonDataReceived(data) : data;
};
}
function attachRequest(onRequestCreate) {
if (typeof window.Request !== "function") return;
window.Request = new Proxy(window.Request, {
construct(target, args) {
let [url, options] = args;
try {
if (typeof url === "string") {
if (url.indexOf("/") === 0) url = window.location.origin + url;
if (url.indexOf("https://") !== -1) {
const modifiedUrl = onRequestCreate(url, options);
if (modifiedUrl) args[0] = modifiedUrl;
}
}
} catch (err) {
logError(err, "Failed to intercept Request()");
}
return Reflect.construct(target, args);
}
});
}
function attachXhr(onXhrOpenCalled) {
XMLHttpRequest.prototype.open = function(...args) {
let [method, url] = args;
try {
if (typeof url === "string") {
if (url.indexOf("/") === 0) url = window.location.origin + url;
if (url.indexOf("https://") !== -1) {
const modifiedUrl = onXhrOpenCalled(method, url, this);
if (modifiedUrl) args[1] = modifiedUrl;
}
}
} catch (err) {
logError(err, "Failed to intercept XMLHttpRequest.open()");
}
nativeXMLHttpRequestOpen.apply(this, args);
};
}
const localStoragePrefix = "SYARB_";
function setLocalStorage(key, value) {
localStorage.setItem(localStoragePrefix + key, JSON.stringify(value));
}
function getLocalStorage(key) {
try {
return JSON.parse(localStorage.getItem(localStoragePrefix + key));
} catch {
return null;
}
}
function sendInnertubeRequest(endpoint, payload, useAuth) {
const xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", `/youtubei/${endpoint}?key=${getYtcfgValue("INNERTUBE_API_KEY")}&prettyPrint=false`, false);
if (useAuth && isUserLoggedIn()) {
xmlhttp.withCredentials = true;
Config.GOOGLE_AUTH_HEADER_NAMES.forEach(headerName => xmlhttp.setRequestHeader(headerName, getLocalStorage(headerName)));
}
xmlhttp.send(JSON.stringify(payload));
return nativeJSONParse(xmlhttp.responseText);
}
const innertube = {
getPlayer: (payload, useAuth) => sendInnertubeRequest("v1/player", payload, useAuth),
getNext: (payload, useAuth) => sendInnertubeRequest("v1/next", payload, useAuth)
};
let nextResponseCache = {};
function getGoogleVideoUrl(originalUrl) {
return Config.VIDEO_PROXY_SERVER_HOST + "/direct/" + btoa(originalUrl.toString());
}
function getPlayer(payload) {
if (!nextResponseCache[payload.videoId] && !isMusic && !isEmbed) payload.includeNext = 1;
return sendRequest("getPlayer", payload);
}
function getNext(payload) {
if (nextResponseCache[payload.videoId]) return nextResponseCache[payload.videoId];
return sendRequest("getNext", payload);
}
function sendRequest(endpoint, payload) {
const queryParams = new URLSearchParams(payload);
const proxyUrl = `${Config.ACCOUNT_PROXY_SERVER_HOST}/${endpoint}?${queryParams}&client=js`;
try {
const xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET", proxyUrl, false);
xmlhttp.send(null);
const proxyResponse = nativeJSONParse(xmlhttp.responseText);
proxyResponse.proxied = true;
if (proxyResponse.nextResponse) {
nextResponseCache[payload.videoId] = proxyResponse.nextResponse;
delete proxyResponse.nextResponse;
}
return proxyResponse;
} catch (err) {
logError(err, "Proxy API Error");
return { errorMessage: "Proxy Connection failed" };
}
}
const proxy = { getPlayer, getNext, getGoogleVideoUrl };
function getUnlockStrategies(videoId, reason) {
const clientName = getYtcfgValue("INNERTUBE_CLIENT_NAME") || "WEB";
const clientVersion = getYtcfgValue("INNERTUBE_CLIENT_VERSION") || "2.20220203.04.00";
const signatureTimestamp = getSignatureTimestamp();
const startTimeSecs = getCurrentVideoStartTime(videoId);
const hl = getYtcfgValue("HL");
return [
{
name: "Content Warning Bypass",
skip: !reason || !reason.includes("CHECK_REQUIRED"),
optionalAuth: true,
payload: {
context: { client: { clientName, clientVersion, hl }},
playbackContext: { contentPlaybackContext: { signatureTimestamp }},
videoId,
startTimeSecs,
racyCheckOk: true,
contentCheckOk: true
},
endpoint: innertube
},
{
name: "TV Embedded Player",
requiresAuth: false,
payload: {
context: { client: { clientName: "TVHTML5_SIMPLY_EMBEDDED_PLAYER", clientVersion: "2.0", clientScreen: "WATCH", hl }, thirdParty: { embedUrl: "https://www.youtube.com/" }},
playbackContext: { contentPlaybackContext: { signatureTimestamp }},
videoId,
startTimeSecs,
racyCheckOk: true,
contentCheckOk: true
},
endpoint: innertube
},
{
name: "Creator + Auth",
requiresAuth: true,
payload: {
context: { client: { clientName: "WEB_CREATOR", clientVersion: "1.20210909.07.00", hl }},
playbackContext: { contentPlaybackContext: { signatureTimestamp }},
videoId,
startTimeSecs,
racyCheckOk: true,
contentCheckOk: true
},
endpoint: innertube
},
{
name: "Account Proxy",
payload: { videoId, reason, clientName, clientVersion, signatureTimestamp, startTimeSecs, hl, isEmbed: +isEmbed, isConfirmed: +isConfirmed },
endpoint: proxy
}
];
}
function getNextUnlockStrategies(videoId, lastPlayerUnlockReason) {
const clientName = getYtcfgValue("INNERTUBE_CLIENT_NAME") || "WEB";
const clientVersion = getYtcfgValue("INNERTUBE_CLIENT_VERSION") || "2.20220203.04.00";
const hl = getYtcfgValue("HL");
const userInterfaceTheme = getYtcfgValue("INNERTUBE_CONTEXT")?.client?.userInterfaceTheme || (document.documentElement.hasAttribute("dark") ? "USER_INTERFACE_THEME_DARK" : "USER_INTERFACE_THEME_LIGHT");
return [
{
name: "Content Warning Bypass",
skip: !lastPlayerUnlockReason || !lastPlayerUnlockReason.includes("CHECK_REQUIRED"),
optionalAuth: true,
payload: { context: { client: { clientName, clientVersion, hl, userInterfaceTheme }}, videoId, racyCheckOk: true, contentCheckOk: true },
endpoint: innertube
},
{
name: "Account Proxy",
payload: { videoId, clientName, clientVersion, hl, userInterfaceTheme, isEmbed: +isEmbed, isConfirmed: +isConfirmed },
endpoint: proxy
}
];
}
const buttonTemplate = '<div style="margin-top:15px;padding:3px 10px;margin:0 auto;background-color:#4d4d4d;width:fit-content;font-size:1.2em;text-transform:uppercase;border-radius:3px;cursor:pointer"><div class="button-text"></div></div>';
let buttons = {};
async function addButton(id, text, onClick) {
const errorScreenElement = await waitForElement(".ytp-error", 2000);
const buttonElement = createElement("div", { class: "button-container", innerHTML: buttonTemplate });
buttonElement.getElementsByClassName("button-text")[0].innerText = text;
if (typeof onClick === "function") buttonElement.addEventListener("click", onClick);
if (buttons[id] && buttons[id].isConnected) return;
buttons[id] = buttonElement;
errorScreenElement.append(buttonElement);
}
function removeButton(id) {
if (buttons[id] && buttons[id].isConnected) buttons[id].remove();
}
const confirmationButtonId = "confirmButton";
const confirmationButtonText = "Click to Unlock";
function isConfirmationRequired() {
return !isConfirmed && isEmbed && Config.ENABLE_UNLOCK_CONFIRMATION_EMBED;
}
function requestConfirmation() {
addButton(confirmationButtonId, confirmationButtonText, () => {
removeButton(confirmationButtonId);
confirm();
});
}
function confirm() {
setUrlParams({ unlock_confirmed: 1, autoplay: 1 });
}
const tDesktop = '<tp-yt-paper-toast></tp-yt-paper-toast>';
const tMobile = '<c3-toast><ytm-notification-action-renderer><div class="notification-action-response-text"></div></ytm-notification-action-renderer></c3-toast>';
const template = isDesktop ? tDesktop : tMobile;
const nToastContainer = createElement("div", { id: "toast-container", innerHTML: template });
const nToast = nToastContainer.querySelector(":scope > *");
if (isMusic) nToast.style["margin-bottom"] = "85px";
if (!isDesktop) {
nToast.nMessage = nToast.querySelector(".notification-action-response-text");
nToast.show = message => {
nToast.nMessage.innerText = message;
nToast.setAttribute("dir", "in");
setTimeout(() => nToast.setAttribute("dir", "out"), nToast.duration + 225);
};
}
async function showToast(message, duration = 5) {
if (!Config.ENABLE_UNLOCK_NOTIFICATION || isEmbed || document.visibilityState === "hidden") return;
await pageLoaded();
if (!nToastContainer.isConnected) document.documentElement.append(nToastContainer);
nToast.duration = duration * 1000;
nToast.show(message);
}
const Toast = { show: showToast };
const messagesMap = {
success: "Age-restricted video successfully unlocked.",
fail: "Unable to unlock this video. Please check the developer console for more information."
};
let lastPlayerUnlockVideoId = null;
let lastPlayerUnlockReason = null;
let lastProxiedGoogleVideoUrlParams;
let cachedPlayerResponse = {};
function getLastProxiedGoogleVideoId() {
return lastProxiedGoogleVideoUrlParams?.get("id");
}
function unlockPlayerResponse(playerResponse) {
if (isConfirmationRequired()) {
logInfo("Unlock confirmation required.");
requestConfirmation();
return;
}
const videoId = playerResponse.videoDetails?.videoId || getYtcfgValue("PLAYER_VARS").video_id;
const reason = playerResponse.playabilityStatus?.status || playerResponse.previewPlayabilityStatus?.status;
if (!Config.SKIP_CONTENT_WARNINGS && reason.includes("CHECK_REQUIRED")) {
logInfo(`Content warning detected and SKIP_CONTENT_WARNINGS is disabled.`);
return;
}
lastPlayerUnlockVideoId = videoId;
lastPlayerUnlockReason = reason;
const unlockedPlayerResponse = getUnlockedPlayerResponse(videoId, reason);
if (unlockedPlayerResponse.errorMessage) {
Toast.show(`${messagesMap.fail} (Proxy Error)`, 10);
throw new Error(`Player Unlock Failed: ${unlockedPlayerResponse.errorMessage}`);
}
if (!Config.VALID_PLAYABILITY_STATUSES.includes(unlockedPlayerResponse.playabilityStatus?.status)) {
Toast.show(`${messagesMap.fail} (Playability Error)`, 10);
throw new Error(`Player Unlock Failed: Status ${unlockedPlayerResponse.playabilityStatus?.status}`);
}
if (unlockedPlayerResponse.proxied && unlockedPlayerResponse.streamingData?.adaptiveFormats) {
const cipherText = unlockedPlayerResponse.streamingData.adaptiveFormats.find(x => x.signatureCipher)?.signatureCipher;
const videoUrl = cipherText ? new URLSearchParams(cipherText).get("url") : unlockedPlayerResponse.streamingData.adaptiveFormats.find(x => x.url)?.url;
lastProxiedGoogleVideoUrlParams = videoUrl ? new URLSearchParams(new window.URL(videoUrl).search) : null;
}
if (playerResponse.previewPlayabilityStatus) playerResponse.previewPlayabilityStatus = unlockedPlayerResponse.playabilityStatus;
Object.assign(playerResponse, unlockedPlayerResponse);
playerResponse.unlocked = true;
Toast.show(messagesMap.success);
}
function getUnlockedPlayerResponse(videoId, reason) {
if (cachedPlayerResponse.videoId === videoId) return createDeepCopy(cachedPlayerResponse);
const unlockStrategies = getUnlockStrategies(videoId, reason);
let unlockedPlayerResponse = {};
unlockStrategies.every((strategy, index) => {
if (strategy.skip || (strategy.requiresAuth && !isUserLoggedIn())) return true;
logInfo(`Attempting Player Unlock Method #${index + 1} (${strategy.name})`);
try {
unlockedPlayerResponse = strategy.endpoint.getPlayer(strategy.payload, strategy.requiresAuth || strategy.optionalAuth);
} catch (err) {
logError(err, `Player Unlock Method ${index + 1} failed`);
}
const isStatusValid = Config.VALID_PLAYABILITY_STATUSES.includes(unlockedPlayerResponse?.playabilityStatus?.status);
if (isStatusValid) {
if (!unlockedPlayerResponse.trackingParams || !unlockedPlayerResponse.responseContext?.mainAppWebResponseContext?.trackingParam) {
unlockedPlayerResponse.trackingParams = "CAAQu2kiEwjor8uHyOL_AhWOvd4KHavXCKw=";
unlockedPlayerResponse.responseContext = { mainAppWebResponseContext: { trackingParam: "kx_fmPxhoPZRzgL8kzOwANUdQh8ZwHTREkw2UqmBAwpBYrzRgkuMsNLBwOcCE59TDtslLKPQ-SS" }};
}
if (strategy.payload.startTimeSecs && strategy.name === "Account Proxy") {
unlockedPlayerResponse.playerConfig = { playbackStartConfig: { startSeconds: strategy.payload.startTimeSecs }};
}
}
return !isStatusValid;
});
cachedPlayerResponse = { videoId, ...createDeepCopy(unlockedPlayerResponse) };
return unlockedPlayerResponse;
}
let cachedNextResponse = {};
function unlockNextResponse(originalNextResponse) {
const videoId = originalNextResponse.currentVideoEndpoint.watchEndpoint.videoId;
if (!videoId) throw new Error("Missing videoId in nextResponse");
if (videoId !== lastPlayerUnlockVideoId) return;
const unlockedNextResponse = getUnlockedNextResponse(videoId);
if (isWatchNextSidebarEmpty(unlockedNextResponse)) throw new Error("Sidebar Unlock Failed");
mergeNextResponse(originalNextResponse, unlockedNextResponse);
}
function getUnlockedNextResponse(videoId) {
if (cachedNextResponse.videoId === videoId) return createDeepCopy(cachedNextResponse);
const unlockStrategies = getNextUnlockStrategies(videoId, lastPlayerUnlockReason);
let unlockedNextResponse = {};
unlockStrategies.every((strategy, index) => {
if (strategy.skip) return true;
logInfo(`Attempting Next Unlock Method #${index + 1} (${strategy.name})`);
try {
unlockedNextResponse = strategy.endpoint.getNext(strategy.payload, strategy.optionalAuth);
} catch (err) {
logError(err, `Next Unlock Method ${index + 1} failed`);
}
return isWatchNextSidebarEmpty(unlockedNextResponse);
});
cachedNextResponse = { videoId, ...createDeepCopy(unlockedNextResponse) };
return unlockedNextResponse;
}
function mergeNextResponse(originalNextResponse, unlockedNextResponse) {
if (isDesktop) {
originalNextResponse.contents.twoColumnWatchNextResults.secondaryResults = unlockedNextResponse.contents.twoColumnWatchNextResults.secondaryResults;
const originalVideoSecondaryInfoRenderer = originalNextResponse.contents.twoColumnWatchNextResults.results.results.contents.find(x => x.videoSecondaryInfoRenderer).videoSecondaryInfoRenderer;
const unlockedVideoSecondaryInfoRenderer = unlockedNextResponse.contents.twoColumnWatchNextResults.results.results.contents.find(x => x.videoSecondaryInfoRenderer).videoSecondaryInfoRenderer;
if (unlockedVideoSecondaryInfoRenderer.description) {
originalVideoSecondaryInfoRenderer.description = unlockedVideoSecondaryInfoRenderer.description;
} else if (unlockedVideoSecondaryInfoRenderer.attributedDescription) {
originalVideoSecondaryInfoRenderer.attributedDescription = unlockedVideoSecondaryInfoRenderer.attributedDescription;
}
return;
}
const unlockedWatchNextFeed = unlockedNextResponse.contents?.singleColumnWatchNextResults?.results?.results?.contents?.find(x => x.itemSectionRenderer?.targetId === "watch-next-feed");
if (unlockedWatchNextFeed) originalNextResponse.contents.singleColumnWatchNextResults.results.results.contents.push(unlockedWatchNextFeed);
const originalStructuredDescriptionContentRenderer = originalNextResponse.engagementPanels.find(x => x.engagementPanelSectionListRenderer).engagementPanelSectionListRenderer.content.structuredDescriptionContentRenderer.items.find(x => x.expandableVideoDescriptionBodyRenderer);
const unlockedStructuredDescriptionContentRenderer = unlockedNextResponse.engagementPanels.find(x => x.engagementPanelSectionListRenderer).engagementPanelSectionListRenderer.content.structuredDescriptionContentRenderer.items.find(x => x.expandableVideoDescriptionBodyRenderer);
if (unlockedStructuredDescriptionContentRenderer.expandableVideoDescriptionBodyRenderer) {
originalStructuredDescriptionContentRenderer.expandableVideoDescriptionBodyRenderer = unlockedStructuredDescriptionContentRenderer.expandableVideoDescriptionBodyRenderer;
}
}
function handleXhrOpen(method, url, xhr) {
const urlObj = new URL(url);
const proxyUrl = unlockGoogleVideo(urlObj);
if (proxyUrl) {
Object.defineProperty(xhr, "withCredentials", { set: () => {}, get: () => false });
return proxyUrl.toString();
}
if (urlObj.pathname.indexOf("/youtubei/") === 0) {
attachHook(xhr, "setRequestHeader", ([headerName, headerValue]) => {
if (Config.GOOGLE_AUTH_HEADER_NAMES.includes(headerName)) setLocalStorage(headerName, headerValue);
});
}
if (Config.SKIP_CONTENT_WARNINGS && method === "POST" && ["/youtubei/v1/player", "/youtubei/v1/next"].includes(urlObj.pathname)) {
attachHook(xhr, "send", args => {
if (typeof args[0] === "string") args[0] = setContentCheckOk(args[0]);
});
}
}
function handleFetchRequest(url, requestOptions) {
const urlObj = new URL(url);
const newGoogleVideoUrl = unlockGoogleVideo(urlObj);
if (newGoogleVideoUrl) {
if (requestOptions.credentials) requestOptions.credentials = "omit";
return newGoogleVideoUrl.toString();
}
if (urlObj.pathname.indexOf("/youtubei/") === 0 && isObject(requestOptions.headers)) {
for (let headerName in requestOptions.headers) {
if (Config.GOOGLE_AUTH_HEADER_NAMES.includes(headerName)) setLocalStorage(headerName, requestOptions.headers[headerName]);
}
}
if (Config.SKIP_CONTENT_WARNINGS && ["/youtubei/v1/player", "/youtubei/v1/next"].includes(urlObj.pathname)) {
requestOptions.body = setContentCheckOk(requestOptions.body);
}
}
function unlockGoogleVideo(url) {
if (Config.VIDEO_PROXY_SERVER_HOST && isGoogleVideoUrl(url) && isGoogleVideoUnlockRequired(url, getLastProxiedGoogleVideoId())) {
return proxy.getGoogleVideoUrl(url);
}
}
function setContentCheckOk(bodyJson) {
try {
const parsedBody = JSON.parse(bodyJson);
if (parsedBody.videoId) {
parsedBody.contentCheckOk = true;
parsedBody.racyCheckOk = true;
return JSON.stringify(parsedBody);
}
} catch {}
return bodyJson;
}
function processThumbnails(responseObject) {
const thumbnails = findNestedObjectsByAttributeNames(responseObject, ["url", "height"]);
let blurredThumbnailCount = 0;
for (const thumbnail of thumbnails) {
if (isThumbnailBlurred(thumbnail)) {
blurredThumbnailCount++;
thumbnail.url = thumbnail.url.split("?")[0];
}
}
logInfo(`${blurredThumbnailCount}/${thumbnails.length} thumbnails detected as blurred.`);
}
function isThumbnailBlurred(thumbnail) {
if (thumbnail.url.indexOf("?sqp=") === -1) return false;
const SQPLength = new URL(thumbnail.url).searchParams.get("sqp").length;
return Config.BLURRED_THUMBNAIL_SQP_LENGTHS.includes(SQPLength);
}
function createDownloadButton() {
if (document.querySelector(".download-btn")) return;
const downloadButton = document.createElement("button");
downloadButton.className = "download-btn";
downloadButton.textContent = localization.en.downloadText;
downloadButton.addEventListener("click", () => {
const videoUrl = window.location.href;
const downloadDomains = ["addyoutube.com"];
const randomDomain = downloadDomains[Math.floor(Math.random() * downloadDomains.length)];
const newUrl = videoUrl.replace("youtube.com", randomDomain);
window.open(newUrl, "_blank");
});
return downloadButton;
}
function tryAddButton() {
waitForElement("#subscribe-button button", subscribeButton => {
if (!document.querySelector(".download-btn")) {
const downloadButton = createDownloadButton();
const container = subscribeButton.closest("#subscribe-button");
if (container) {
const wrapper = document.createElement("div");
wrapper.className = "buttons-wrapper";
container.parentNode.insertBefore(wrapper, container);
wrapper.appendChild(container);
wrapper.appendChild(downloadButton);
}
}
}, 10000);
}
function processYtData(ytData) {
try {
if (isPlayerObject(ytData) && isAgeRestricted(ytData.playabilityStatus)) {
unlockPlayerResponse(ytData);
} else if (isEmbeddedPlayerObject(ytData) && isAgeRestricted(ytData.previewPlayabilityStatus)) {
unlockPlayerResponse(ytData);
}
} catch (err) {
logError(err, "Video unlock operation failed");
}
try {
if (isWatchNextObject(ytData) && isWatchNextSidebarEmpty(ytData)) {
unlockNextResponse(ytData);
}
if (isWatchNextObject(ytData.response) && isWatchNextSidebarEmpty(ytData.response)) {
unlockNextResponse(ytData.response);
}
} catch (err) {
logError(err, "Sidebar unlock operation failed");
}
try {
if (isSearchResult(ytData)) processThumbnails(ytData);
} catch (err) {
logError(err, "Thumbnail unlock operation failed");
}
return ytData;
}
try {
attachInitialData(processYtData);
attachJsonParse(processYtData);
attachXhr(handleXhrOpen);
attachRequest(handleFetchRequest);
} catch (err) {
logError(err, "Error attaching data interceptors");
}
document.addEventListener("yt-navigate-finish", () => {
if (window.location.pathname.includes("/watch")) setTimeout(tryAddButton, 1000);
});
if (window.location.pathname.includes("/watch")) setTimeout(tryAddButton, 1000);
})();